Ainan Leong

4 Questions 2 Answers 0 Followers

Questions related from Ainan Leong

What is the adhesion energy of graphene on metal substrate other than SiO2?

I have seen most papers reported on the adhesion energy between SiO2 substrate and graphene. However, it is quite hard to find information or data on the adhesion energies for graphene on other...

08 August 2017 496 1 View

How do ensure that a chamber has reached the saturation vapour pressure?

I have a bubbler to produce volatile gases. According to the paper attached, when the carrier gas is completely saturated with the analyte vapour, the thermodynamic vapour pressure becomes the...

04 April 2017 9,606 5 View

How do I produce a mixture of Ammonium Persulphate with Isopropanol with a ratio of 10:1?

I have mixed 100 ml of Ammonium Persulphate with 10 ml of Isopropanol and stirred them. However, the resulting solution does not etch Copper at all. With a pure Ammonium Persulphate solution,...

03 March 2017 472 1 View

May I know what is the electrical permittivity and conductivity of Graphene at MHz frequency range?

From my research, people have been talking of high frequency electrical permittivity and conductivity of Graphene at GHz and THz ranges. The electrical permittivity can be modelled using the the...

12 December 2015 7,453 1 View